killtest E20-001 最新题库（朋友刚过了）

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& a6 @  o0 Q% F/ |8 [( L# q# Y. A1. Data is being replicated from site A to site B using disk buffering to create extended distance consistent
point in time copies every hour. In the event of a site failure at A, what is the maximum amount of data that
will be missing at site B?
8 o# x: j, q) \0 X4 OA. 1 hour
- [7 `; ^! J, z6 }% Y  CB. 2 hours
C. 3 hours
' ~1 @* d( E7 c0 ^3 {3 dD. 4 hours
: O3 V& t- t/ j% U9 j, m7 E) H% eAnswer: B
2. What is a remote replication solution for EMC CLARiiON storage systems?
  z& ~3 H% B" ]9 D8 x7 r* m$ b% bA. MirrorView/A
; o. ~, O. Y4 I5 \- H6 iB. SnapView
C. SRDF/AR
D. TimeFinder
" ~. y# e& o2 P$ C0 k  iAnswer: A
& g' F( S/ v1 I) x3. Which represents a common implementation of a storage network with limited scalability?
! e6 B, Y" N- H' S+ J5 rA. CSMA/CD
# ?) Y9 y# g* R, {3 dB. Fibre Channel Arbitrated Loop
6 P8 g# c3 c1 J6 aC. Store and Forward
3 b" b% |5 q( `' ?8 j3 ^D. Switched Fabric
9 n  o" F5 e/ Q0 e- P, Z5 h5 x9 YAnswer: B
  ^6 M' K; J6 j4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
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: D6 N+ C2 K: E3 C9 M9 ^. D' [A. 1 and 6
8 L% O# a, a. k- x5 g, rB. 4 and 5
7 s' x. }2 K3 E! d2 `C. 7 and 5
; x% Q8 e9 g/ s" oD. 6 and 3
Answer: A
9 N/ [0 E" _4 }5. What is the process that writes physical address information to a disk?
( F" V- q! @2 d* B7 P' yA. Concatenating
5 ]( q3 G8 J, J- O; a" o0 c- YB. Formatting
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C. Partitioning
D. Striping
Answer: B
5 I9 |1 l: I- ?. L6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a
disaster?
, }' C6 b% A1 \. N; L+ s0 `: m, O/ jA. Must be able to restart their network within 4 hours
B. Must be able to restart their servers within 4 hours
C. Must be able to resume production within 4 hours
0 [! A- J/ m# E- D4 zD. No more than 4 hours of production data can be lost
! J  ]8 L) a9 [, s" H3 O7 ~Answer: D
, ^5 V4 r# a0 P$ O' F3 M7. Which technology is designed for storage of fixed content data?
A. CAS
B. DAS
C. NAS
D. SAN
4 d4 g. _: ~" B! U" {6 J. b) H8 dAnswer: A
; ^2 J% \2 S: w1 S. d2 j8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
" ^2 F0 ~! P- I6 l; PA. Hard Zoning
B. Mixed Zoning
C. Port Zoning
# w( c5 ~2 W! A8 ]9 l$ X% dD. WWN Zoning
* b" |; ]1 l4 s  @6 \' @9 `Answer: D
9. A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for
3 _! Y  `: p: f" M$ B; ithe Logical Block Address (LBA) values for this disk?
) u# u/ \1 `9 u$ CA. 0 49,999
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- F0 M% @3 a9 H  x* k% W8 bB. 0 99,999
" j' X* M7 X4 r; G6 GC. 1 50,000
( g- N" ~- _( t. m+ lD. 1 100,000
Answer: B
10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage
systems being accessible 24X7?
& P: q5 A& P' r8 c& {, c- Z' VA. Availability
& B( |7 G4 O. O% p+ ZB. Manageability
C. Performance
8 \! F0 b$ Z" k( E# R9 C8 n! MD. Scalability
Answer: A
11. What is the protocol used by a Windows client to communicate with a NAS device?
1 p4 _& s* i" _# ~' @- fA. CIFS
B. FCP
5 R: v. C3 {; p3 oC. NFS
) d! ?& p7 x2 P: f' V6 MD. SCSI
8 @/ u9 a! p; l5 U5 N8 K. kAnswer: A
# L5 p- U& F, d1 s12. What are two parts of cache?
A. Bitmap store and dirty store
B. Data store and bitmap store
& E9 [, |) }: f, w( d' qC. Data store and tag RAM
0 f3 z2 u( \3 ?: C( _9 ]D. Tag RAM and dirty store
Answer: C
# ^- K. X' `3 H2 c. V* a( }) m13. Which Data Center element stores customer and product information when the server is connected to
/ D& \6 d, O0 a4 ^3 lan array?
0 C6 c; p# v1 @* U4 vA. Application
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' [; V/ @+ q* d# c, TB. Database
- g( {0 \' j% y3 jC. Server
% \. K3 z# ?6 K: f: RD. Storage Array
Answer: B
14. What do you monitor as part of server performance?
A. Filesystem utilization
: O# ]  E1 R' q" @4 N; Q- ?. r, g- fB. HBA status
C. Memory utilization
D. Power supply status
3 ~) M% _3 s$ kAnswer: C
15. What is the name of the drive subassembly containing the platters and R/W heads?
A. ATA
B. HBA
C. HDA
' `9 e' A) Y& Y. S, B* U. [2 ?D. IDE
Answer: C
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